/*
 * Copyright (c) 2015, Nordic Semiconductor
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package no.nordicsemi.android.ble.utils;

import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;

public class ParserUtils {
    protected final static char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();

    public static String parse(final BluetoothGattCharacteristic characteristic) {
        return parse(characteristic.getValue());
    }

    public static String parse(final BluetoothGattDescriptor descriptor) {
        return parse(descriptor.getValue());
    }

    public static String parse(final byte[] data) {
        if (data == null || data.length == 0)
            return "";

        final char[] out = new char[data.length * 3 - 1];
        for (int j = 0; j < data.length; j++) {
            int v = data[j] & 0xFF;
            out[j * 3] = HEX_ARRAY[v >>> 4];
            out[j * 3 + 1] = HEX_ARRAY[v & 0x0F];
            if (j != data.length - 1)
                out[j * 3 + 2] = '-';
        }
        return "(0x) " + new String(out);
    }

    public static String bytes2String16(byte[] b) {
        if (null == b || b.length <= 0) {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < b.length; i++) {
            sb.append(String.format("%02x", b[i]));
        }
        return sb.toString();
    }
}
